Supplemental cash flow information

3 Months Ended

Mar. 31, 2020

Supplemental Cash Flow Elements [Abstract]

Supplemental cash flow information

Note 21. Supplemental cash flow information

A summary of supplemental cash flow information is presented in the following table (in millions).

	First Quarter
	2020		2019
Cash paid during the period for:
Income taxes	$	595	$	464
Interest:
Insurance and other		409		395
Railroad, utilities and energy		742		683